Westlake Chemical
Rank in Toxic 100: 47
Rank among all TRI companies: 115
Air releases 2017 (lbs): 3,209,537
Incineration transfers 2017 (lbs): 777,365
Total Air and Incineration Toxic Score 2017: 634,732
Percentage of national total 2017 toxic air and incineration score: 0.2%
EJ: Poor Share: 16%
EJ: Minority Share: 32%
You can also view this company's penalties in Violation Tracker.
You can also look at this company's state, local, and Federal subsidies in Subsidy Tracker.
This company is rank 37 on the Toxic 100 Water list .
This company has information in PERI's Greenhouse database .
Chemicals displayed below: ( display facilities ) ( display chemicals at facilities )
Basic data displayed ( display advanced data instead )
(Click on column headers to re-sort table: current sort is by chemical name.)
(Links on chemical names lead to Scorecard chemical health effects.)
1,1,1,2-Tetrachloroethane
3,851
4,430
369
0.06%
15.2%
25.0%
1,1,1-Trichloroethane
35,416
29,600
1
0.00%
15.2%
25.0%
1,1,2,2-Tetrachloroethane
1,422
9,997
6,877
1.08%
15.6%
23.8%
1,1,2-Trichloroethane
11,028
73,976
1,872
0.29%
15.4%
26.7%
1,2,4-Trichlorobenzene
7
5,600
0
0.00%
15.7%
26.3%
1,2,4-Trimethylbenzene
2
0
0
0.00%
15.9%
21.2%
1,2-Butylene oxide
435
1
3
0.00%
15.1%
25.0%
1,2-Dichloroethane
173,203
37,735
271,151
42.72%
15.6%
28.1%
1,2-Dichloroethylene
5,864
6,070
18
0.00%
15.3%
25.2%
1,3-Butadiene
15,109
0
7,859
1.24%
16.5%
14.7%
1,4-Dichloro-2-butene
1
34
299
0.05%
15.5%
22.9%
1,4-Dichlorobenzene
24
4
0
0.00%
16.4%
10.0%
Acetaldehyde
6,258
0
1,254
0.20%
21.4%
52.9%
Acetophenone
45
0
0
0.00%
19.7%
54.8%
Ammonia
65,618
1
7
0.00%
17.4%
36.7%
Anthracene
234
0
0
0.00%
15.7%
7.7%
Antimony compounds
1,060
0
926
0.15%
11.5%
38.7%
Asbestos (friable)
3
0
3,102
0.49%
20.9%
51.3%
Benzene
32,208
16,025
9,423
1.48%
16.3%
14.0%
Biphenyl
5,934
12,000
161
0.03%
15.1%
24.7%
Bis(2-chloroethyl)ether
23
5,831
389
0.06%
14.3%
36.2%
Bromine
24
0
2
0.00%
15.2%
25.0%
Butyl acrylate
1,424
0
146
0.02%
22.6%
56.2%
Carbon tetrachloride
15,672
1,514
5,077
0.80%
15.5%
19.2%
CFC-12
14,760
0
2
0.00%
19.7%
54.5%
Chlorine
52,110
0
7,642
1.20%
16.6%
28.2%
Chlorobenzene
193
2,157
0
0.00%
15.6%
18.1%
Chlorodifluoromethane (HCFC-22)
24,104
0
0
0.00%
19.7%
54.5%
Chloroethane (Ethyl chloride)
22,594
95
0
0.00%
15.5%
27.9%
Chloroform
55,654
6,445
54,622
8.61%
15.6%
38.8%
Chloromethane
53
0
1
0.00%
19.7%
54.4%
Chloroprene
6,042
0
132,273
20.84%
15.1%
43.8%
Chromium compounds
22
0
6,382
1.01%
19.8%
54.2%
Copper
21
0
0
0.00%
16.3%
9.9%
Copper compounds
1,110
0
30
0.00%
15.1%
25.1%
Cumene
21,748
0
5
0.00%
19.5%
53.0%
Dichlorobenzene (mixed isomers)
63
4,500
0
0.00%
15.5%
25.7%
Dichloromethane
54
0
0
0.00%
18.6%
30.3%
Dicyclopentadiene
8,343
0
317
0.05%
15.4%
8.4%
Dinitrobutyl phenol (Dinoseb)
9
0
0
0.00%
15.9%
21.6%
Dioxin and dioxin-like compounds
0
1
2
0.00%
17.9%
37.6%
Ethylbenzene
8,549
0
106
0.02%
17.5%
26.9%
Ethylene
1,833,891
0
34
0.01%
14.8%
28.8%
Ethylene glycol
5,763
0
2
0.00%
22.3%
55.5%
Ethylene oxide
5
0
664
0.10%
16.7%
29.6%
Ethylidene dichloride
6,281
14
101
0.02%
15.2%
25.5%
Formaldehyde
30,611
0
35,099
5.53%
20.8%
51.0%
Hexachloro-1,3-butadiene
336
33,000
85
0.01%
15.2%
25.0%
Hexachlorobenzene
559
4,014
3,843
0.61%
16.5%
11.7%
Hexachloroethane
326
3,600
162
0.03%
16.1%
30.9%
Hydrochloric acid
158,373
0
483
0.08%
15.8%
25.2%
Isoprene
99
0
0
0.00%
0.0%
0.0%
Lead
11
0
0
0.00%
15.7%
26.3%
Lead compounds
2
0
0
0.00%
20.9%
51.3%
Maleic anhydride
4,203
0
620
0.10%
21.8%
53.7%
Mercury compounds
128
0
10
0.00%
15.1%
5.3%
Methanol
26,743
0
0
0.00%
19.8%
55.0%
Methyl acrylate
4,094
0
22
0.00%
22.4%
55.6%
Methyl tert-butyl ether
141
0
0
0.00%
15.9%
21.6%
n-Hexane
26,069
0
4
0.00%
21.8%
54.0%
Naphthalene
7,894
1,625
412
0.06%
16.1%
10.5%
Nickel compounds
156
0
1,445
0.23%
20.3%
53.0%
Pentachlorobenzene
0
2,783
0
0.00%
0.0%
0.0%
Pentachloroethane
554
16,002
0
0.00%
0.0%
0.0%
Phenanthrene
2
667
0
0.00%
0.0%
0.0%
Phenol
160
0
0
0.00%
20.4%
54.5%
Phthalic anhydride
3,352
2,120
13
0.00%
23.3%
67.9%
Polychlorinated biphenyls (PCBs)
0
90
0
0.00%
15.7%
26.3%
Polycyclic aromatic compounds
32
19
49
0.01%
19.3%
41.8%
Propylene (Propene)
91,826
0
1
0.00%
13.6%
15.3%
Sodium nitrite
10
0
0
0.00%
13.9%
42.8%
Styrene
31,338
314
1
0.00%
15.4%
21.0%
tert-Butyl alcohol
1,645
509
1
0.00%
12.8%
23.8%
Tetrachloroethylene (Perchloroethylene)
66,042
36,190
1,177
0.19%
15.2%
25.1%
Toluene
11,663
0
0
0.00%
16.9%
18.5%
trans-1,4-Dichloro-2-butene
4
0
0
0.00%
0.0%
0.0%
Trichloroethylene
24,618
9,729
11,072
1.74%
15.2%
25.4%
Vinyl acetate
82,127
449,649
89
0.01%
9.8%
14.7%
Vinyl chloride
188,563
664
69,019
10.87%
16.3%
23.5%
Vinylidene chloride
3,483
360
2
0.00%
15.1%
27.1%
Xylene (mixed isomers)
8,049
0
2
0.00%
18.3%
29.9%
Zinc compounds
90
0
0
0.00%
21.1%
51.7%
For explanations of most columns above, including the EJ Shares, see the technical notes .
>>New Toxic 100 Search
>>Combined Toxic / Greenhouse 100 Lists
>>Toxic 100 Air Top Company List
>>Toxic 100 Water Top Company List
>>Greenhouse 100 Top Company List
>>Toxic 100 Home Page